 /*******************************************************************************
  * Copyright (c) 2000, 2005 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.views.properties;

 import org.eclipse.ui.PlatformUI;

 /**
  * This action hides or shows categories in the <code>PropertySheetViewer</code>.
  */
 /*package*/class CategoriesAction extends PropertySheetAction {
     /**
      * Creates the Categories action. This action is used to show
      * or hide categories properties.
      * @param viewer the viewer
      * @param name the name
      */
     public CategoriesAction(PropertySheetViewer viewer, String name) {
         super(viewer, name);
         PlatformUI.getWorkbench().getHelpSystem()
                 .setHelp(this, IPropertiesHelpContextIds.CATEGORIES_ACTION);
     }

     /**
      * Toggles the display of categories for the properties.
      */
     public void run() {
         PropertySheetViewer ps = getPropertySheet();
         ps.deactivateCellEditor();
         if (isChecked()) {
             ps.showCategories();
         } else {
             ps.hideCategories();
         }
     }
 }

